BLE Tire Pressure Sensor Positioning for Automatic Wheel Pairing
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Solution Overview
Problem
The existing tire pressure monitoring systems require manual re-pairing of tire pressure sensors with wheels after wheel damage, which is time-consuming and labor-intensive, increasing costs and inefficiency.
Innovation Solution
A positioning system using multiple Bluetooth Low Energy Anchors (BLE Anchors) to receive tire pressure sensor signals, determine distances based on signal strength, and a receiving device to match sensor IDs with wheel positions, facilitating automated sensor-wheel pairing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual re-pairing of tire pressure sensors with wheels is performed after wheel damage, then the sensor-wheel matching can be restored, but the process becomes time-consuming and labor-intensive
Solution Approach 1:
The system performs preliminary positioning of tire pressure sensors using multiple BLE anchors before wheel damage occurs. The initial sensor-wheel pairing information is stored and can be quickly restored after damage without requiring time-consuming manual re-pairing, thus resolving the contradiction between matching accuracy and maintenance time
Solution Approach 2:
The patent replaces manual mechanical pairing operations with an automated electronic positioning system using BLE anchors and signal strength measurement. This substitution eliminates the need for labor-intensive manual re-pairing while maintaining accurate sensor-wheel matching, addressing both reliability and time loss concerns
2Reliability
If manual re-pairing process is used, then sensor-wheel matching can be restored, but labor costs increase
Solution Approach 1:
The system enables self-service functionality where the tire pressure sensor automatically performs positioning and re-pairing operations using the BLE anchor network. This eliminates the need for external manual intervention and reduces labor costs while maintaining matching accuracy through automated electronic processes
3Measurement precision
If multiple BLE anchors are deployed for positioning, then automatic pairing accuracy is improved, but system complexity increases
Solution Approach 1:
The positioning system is segmented into multiple independent BLE anchor units distributed throughout the vehicle. Each anchor independently transmits signals and performs positioning calculations, which distributes the computational complexity across multiple simple nodes rather than requiring one complex centralized system, thus improving accuracy without proportionally increasing overall system complexity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables efficient and accurate automatic pairing of tire pressure sensors with vehicle wheels, reducing labor and time required for maintenance, and enhancing safety by minimizing traffic accidents due to tire failures.
Implementation Method 1
Each positioning device is used to receive a plurality of Bluetooth signals from a plurality of tire pressure sensors, and obtain a set of positioning data according to the plurality of Bluetooth signals
Data Source
AI summary
A positioning system and a positioning method of tire pressure sensor and a vehicle are provided. The vehicle includes a plurality of wheels, each wheel is provided with a tire pressure sensor. The positioning system includes a plurality of positioning devices arranged in the vehicle, each positioning device is configured to receive a plurality of Bluetooth signals from the tire pressure sensors, and obtain a set of positioning data according to the Bluetooth signals; and a receiving device configured to determine a matching relationship between the tire pressure sensors and the wheels according to preset positions of the positioning devices and the sets of positioning data, to locate the tire pressure sensors on the vehicle.